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Posted on Dec 01, 2010
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My calculator wont graph more than one function at a time, how can i fix that?

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  • Posted on May 05, 2011
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Hi Lexy,
Chances are, your calculator has a program called "Transfrm" on it that is preventing the calculator from graphing more than one function at a time. Luckily this is easily remedied.

1) Turn calculator on and press the "APPS" key.
2) Scroll down (towards the bottom of the list) and find the "Transfrm" program.
3) With the program highlighted, press the "Enter" key.
4) Highlight the "Uninstall" option and press "Enter".

Once the program is uninstalled, the graphing function of the calculator should be working correctly, allowing you to graph more than one function at a time.

Hope this helps :-)

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When I type in a function for y1 and have it in standard form the calculator says range Error. How do I change the range, because it wont let me go to the graph. Which is where I would then click V-window...
A linear function in standard form is of the form Ax+By+C=0, where A is a positive integer, B and C are integers (positive or negative).
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Hi, I wonder how to use a TI89 to graph a multivariable functions's 3D picture. Thanks.
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2. Press ENTER to validate.

Now you must define the surface you want to draw
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If this doesn't do it, could you reply to this post and give the function you're trying to graph?
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Feb 18, 2011 • Texas Instruments TI-83 Plus Calculator
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Oct 04, 2010 • Texas Instruments TI-84 Plus Silver...
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Aug 28, 2010 • Texas Instruments TI-84 Plus Calculator
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Can't graph multiple functions
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Apr 23, 2010 • Texas Instruments TI-84 Plus Calculator
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Feb 18, 2010 • Casio CFX-9850G Plus Calculator
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I can't graph more than one equation in the y= area of my Ti 84+
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Can not use graph function
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